Finding the Fourth Proportional to 472,964.19, 651,581.60 and 329,464.59
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Solution
The fourth proportional to 472,964.19, 651,581.60 and 329,464.59 is: 453,888.62
Step by Step Solution
- Step 1: Write the proportion equation
472,964.19 : 651,581.60 = 329,464.59 : x - Step 2: Convert to fraction form
472,964.19/651,581.60 = 329,464.59/x - Step 3: Cross multiply
472,964.19x = 651,581.60 × 329,464.59 - Step 4: Simplify right side
472,964.19x = 214,673,063,048.22 - Step 5: Solve for x
x = 214,673,063,048.22/472,964.19 - Step 6: Final answer
x = 453,888.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.